mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
1.2 KiB
38 lines
1.2 KiB
/* |
|
* Copyright © 2023 Rémi Denis-Courmont. |
|
* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg is free software; you can redistribute it and/or |
|
* modify it under the terms of the GNU Lesser General Public |
|
* License as published by the Free Software Foundation; either |
|
* version 2.1 of the License, or (at your option) any later version. |
|
* |
|
* FFmpeg is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
* Lesser General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU Lesser General Public |
|
* License along with FFmpeg; if not, write to the Free Software |
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
|
*/ |
|
|
|
#include "libavutil/riscv/asm.S" |
|
|
|
func ff_reorder_pixels_rvv, zve32x |
|
srai a2, a2, 1 |
|
add t1, a1, a2 |
|
1: |
|
vsetvli t0, a2, e8, m4, ta, ma |
|
vle8.v v0, (a1) |
|
sub a2, a2, t0 |
|
vle8.v v4, (t1) |
|
add a1, t0, a1 |
|
vsseg2e8.v v0, (a0) |
|
add t1, t0, t1 |
|
sh1add a0, t0, a0 |
|
bnez a2, 1b |
|
|
|
ret |
|
endfunc
|
|
|